Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883978 | Semiconductor device having reduced potential fluctuations | Shigeo Ohshima | 1989-11-28 |
| 4862420 | Internal interleaving type semiconductor memory device | Haruki Toda, Shigeo Ohshima | 1989-08-29 |
| 4835604 | Aircraft service system with a central control system for attendant call lights and passenger reading lights | Yoshiyuki Kondo, Yasuhiro Hidejima, deceased | 1989-05-30 |
| 4805014 | Signal transmission system for a CATV system | Yoshimi Watanabe | 1989-02-14 |